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Photo courtesy FOX5 San Diego

OCEANSIDE, Calif. — Flynn the puppy has only been in this world for a few weeks, but in that time whoever was supposed to be caring for him clearly was doing just the opposite.

Flynn was brought to the San Diego Humane Society two weeks ago with injuries so severe he had to immediately undergo reconstructive surgery reported FOX5 San Diego.

“The injuries indicate that Flynn likely had rubber bands bound tightly around his muzzle, which killed the tissue and cut into his flesh all the way to the bone,” Chief of Humane Law Enforcement for the San Diego Humane Society and SPCA Steve MacKinnon said.

The Chihuahua puppy was found abandoned at a gas station in Oceanside California and now authorities want to know who abused him so badly.

FOX5 San Diego reported that Flynn was treated for a severe laceration to his muzzle and for weakness, but San Diego Humane Society Veterinarian Brie Sarvis said the wound was very deep and would take time to heal.

“At this time, we’re not sure if he will need additional surgeries, but we are continuing to monitor his progress,” Sarvis said. “He will likely have a permanent scar from these wounds.”

Sarvis said Flynn is now eating well and growing like a normal puppy.

The Humane Law Enforcement division of the San Diego Humane Society and SPCA has launched an investigation that could result in felony charges.

Anyone with information about the case was asked to contact the San Diego Humane Society at (619) 243-3466, or via email at sdhumane.org; or San Diego County Crime Stoppers at (888) 580-8477 or online at sdcrimestoppers.com.

Tipsters may remain anonymous and could be eligible for a reward of up to $1,000 being offered by Crime Stoppers.